Color

#01434b

#01434b
hex#01434b
rgbrgb(1, 67, 75)
hslhsl(186, 97%, 15%)
oklchoklch(0.35 0.06 208.3)
Closest name: Cold and Dark (#154250)Relative luminance 0.0453

Colors that go with #01434b

Crimson, Steel Blue and Teal lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#4b0901

#014b2e · #011f4b

#4b0144 · #444b01

Split-complementary

Open in tool →

#4b011f · #4b2e01

#2e014b · #4b0901 · #1f4b01

Contrast

#01434b as textRatioAAAA largeAAAFix
Aaon white
11.02:1passpasspassPasses AAA — no fix needed.
Aaon black
1.91:1failfailfail
  • AA: use #028392 as the text (4.66:1)
  • AAA: use #03a8ba as the text (7.31:1)
  • AA: or shift the background to #a6a6a6 (4.53:1)
  • AAA: or shift the background to #cfcfcf (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #01434b as the background.

Brands using this color

Fonts for this mood

#01434b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #01434b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #01434b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01434b-a2b8be-df4e86-1f262d-e9f1ee?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md